The Ravens sent out a press release late Thursday saying that Birk would be dedicating a community reading center on Friday morning, but that he also would be "making another announcement" that sources close to Birk say will indeed be his retirement.

Baltimore Ravens

In looking at the Baltimore Ravens' salary cap situation, the Baltimore Sun's Aaron Wilson says that linebacker Paul Kruger may be too costly to keep this year.

Gerry Dulac of the Pittsburgh Post-Gazette reports that Pittsburgh Steelers general manager Kevin Colbert isn't concerned about the leaked comments regarding the conditioning and health of linebacker LaMarr Woodley, though he added he didn't believe the comments.